Home / 52,119.92-78,163.46-17,051.40

Finding the Fourth Proportional to 52,119.92, 78,163.46 and 17,051.40

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Solution

The fourth proportional to 52,119.92, 78,163.46 and 17,051.40 is: 25,571.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,119.92 : 78,163.46 = 17,051.40 : x
  2. Step 2: Convert to fraction form
    52,119.92/78,163.46 = 17,051.40/x
  3. Step 3: Cross multiply
    52,119.92x = 78,163.46 × 17,051.40
  4. Step 4: Simplify right side
    52,119.92x = 1,332,796,421.84
  5. Step 5: Solve for x
    x = 1,332,796,421.84/52,119.92
  6. Step 6: Final answer
    x = 25,571.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.